tourqe question

[Pimped Am GT]

hey guys i have a stock gagt 3.1 with a kn box filter and i was wondering what i could do to it to give it more tourqe without losing power at high rpm's or nething like that




Thanks, Jordan

[Bjornboy81]

supercharger :)

[Pimped Am GT]

well yeea but i dont have that kinda money lol can u put 3400 head in a 3100? cause i can get that lol

[Bjornboy81]

yes you can do 3400 heads on a 3100. Do a search, it's been talked about.

hey you never said a price range ;)

[Tebore]

Well the entire upper end from a 3400 or from a year 2000+ 3100. Not to mention a custom cat back exhaust.

[Bjornboy81]

you'll lose some low end torque with a bigger exhaust.

[Tebore]

^^There's a point where you still get gains before you notice the loss in low end. I think 2.25 - 2.5 is where that range is. 3 you start to get noticeable loss in low end and it all transfers to the high end.

[Bjornboy81]

not sure about the 3100, (should be about the same as a 3400) but when I went to a 2.5 SLP I noticed a small amount of low end loss...not much, but it was there :)

[Tebore]

Originally posted by Bjornboy81
not sure about the 3100, (should be about the same as a 3400) but when I went to a 2.5 SLP I noticed a small amount of low end loss...not much, but it was there :)

Not a lot right? You lose a bit of low end but gain a lot in the top is what I hear.

I'm looking at places to get my exhaust done at the end of the summer and was thinking about 2.5'.

[Bjornboy81]

well for what you lose low end (which isn't much) you gain waaaay more at the top end...plus a purty sound :D

2.5: will be good :)

[Tebore]

That's what I figured. :D

[TorquePower]

So 2.5 all the way would give you a big upgrade on top end?

[Tebore]

It's a fair size for bolt ons and for this engine if N/A. If you're boosting going 3" will yeild more power. It's really up to your configuration, but if you're not boosting then up to 2.5" will give you a boost in the top with little loss in the low end.

[revelation212]

if i was to put say a 2.5 on mine would that totally kill my emissions?

[Tebore]

If all of your emissions stuff is still there it won't do anything to ruin your emissions.

Even highflow cats will still allow you to pass. I remember that highflow cats have a more pure form of the catalysts and the design allow more surface area with less restriction. It's all in the engineering.

[1992grandam]

Id stick with 2.25".....Theres no need for 2.5" with a 3100 V6. Not enough engine for that big of piping.